What did lamarck contribute to the theory of evolution? 101. explain the information that influenced darwin's view of natural selection/ evolution. 102. define adaptation. 103. define natural selection. 104. list 3 modes of evolution and give a description of each. 105. what is biodiversity? 106. explain the difference in ecosystem, species, and genetic diversity. 107. what are molecular clocks? 108. what is speciation? 109. what is geographic isolation? 110. what is gradualism? 111. what is punctuated equilibrium? 112. list the scientific evidence that supports the theory of evolution. 113. what is radioisotope dating? 114. what is relative dating? 115. define fitness and variation. 116. explain natural, stabilizing, directional, and disruptive selection. 117. explain viruses ability to evolve. 118. define accuracy and precision. 119. write the steps to the scientific method?